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Succession
September 14
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Dispatch: Draw and explain this diagram. Underline key terms.
After you get a stamp, pick up your old lab and a yellow sheet
![Page 3: Succession September 14. Dispatch: Draw and explain this diagram. Underline key terms. After you get a stamp, pick up your old lab and a yellow sheet](https://reader034.vdocuments.us/reader034/viewer/2022051214/56649ef55503460f94c08c1f/html5/thumbnails/3.jpg)
Ecology Test--FRIDAY
• 45 multiple choice• 3 free response
FRIDAY-turn in notebook-turn in P.O.K
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Staple yellow sheet to front of your lab
![Page 5: Succession September 14. Dispatch: Draw and explain this diagram. Underline key terms. After you get a stamp, pick up your old lab and a yellow sheet](https://reader034.vdocuments.us/reader034/viewer/2022051214/56649ef55503460f94c08c1f/html5/thumbnails/5.jpg)
Stickers for LabsGerarldBernadetteGaryGenesisDalenaCaesarErikaTatianaDanielaSeanNasiaJocelyn
Redos due by September 21. Staple new one to old one
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SuccessionThe replacement of one community with another
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Glacier Succession
• http://bcs.whfreeman.com/thelifewire/content/chp55/55020.html
Take notes + create a flow chart of events
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Primary vs. Secondary Clip
• http://www.geowords.org/ensci/imagesbook/04_03_succession.swf
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Primary Succession• A community is established in
a fairly lifeless area• First life forms are usually
bacteria, then lichens• Soil eventually develops, then
plants are established
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Example of primary succession
• A retreating glacier leaves a moraine, a soil-laden area where life has the potential to take root.
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Secondary Succession
•Occurs in an area where disturbance has occurred, but the soil is intact–After a forest fire–After a hurricane
![Page 12: Succession September 14. Dispatch: Draw and explain this diagram. Underline key terms. After you get a stamp, pick up your old lab and a yellow sheet](https://reader034.vdocuments.us/reader034/viewer/2022051214/56649ef55503460f94c08c1f/html5/thumbnails/12.jpg)
Example of secondary succession
![Page 13: Succession September 14. Dispatch: Draw and explain this diagram. Underline key terms. After you get a stamp, pick up your old lab and a yellow sheet](https://reader034.vdocuments.us/reader034/viewer/2022051214/56649ef55503460f94c08c1f/html5/thumbnails/13.jpg)
Are pioneer species r or k
species?
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R vs K species
R species-breeding at a young age-a short lifespan-producing many offspring
quickly-small offspring-high mortality rates of
young-nonexistent parental care.
K species-long maturation time-breeding relatively late in life -a long lifespan-producing relatively few
offspring-large newborn offspring-low mortality rates of young,-extensive parental care.
Examples of a K-selected species include elephants, bonobo apes and humans.
Examples of r-selected species include waterfleas, insects, and bacteria.
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![Page 16: Succession September 14. Dispatch: Draw and explain this diagram. Underline key terms. After you get a stamp, pick up your old lab and a yellow sheet](https://reader034.vdocuments.us/reader034/viewer/2022051214/56649ef55503460f94c08c1f/html5/thumbnails/16.jpg)
Make graphs for r vs. k species
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Exit Quiz 3
1. Clear table
2. Write in Your Name and Period
3. Only bubble the first 4 numbers of your ID (Mauricio, Thao, and 1 more person’s IDs have been chnaged)
4. Wait until the timer goes off to line up and scan quiz
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Exit Quiz #4, put table number
a) Explain the difference between primary and secondary succession.
b) How do r and k species play a part in succession?